Myristikos Comnenus

Myristikos Comnenus (1120-1156) was the Prince of the Byzantine Empire until his death in battle with the Sultanate of Rum in 1156.

Biography
Myristikos Comnenus was the heir apparent of the Byzantine Empire under Emperor Manuel I of Byzantium, and served as the Governor of Smyrna. He was the man in command of the garrison when the Sultanate of Rum general Uthman al-Su'ud attacked in 1156, and was killed in the Seljuk assault.